Home / 462,419.56-691,885.20-272,982.98

Finding the Fourth Proportional to 462,419.56, 691,885.20 and 272,982.98

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Solution

The fourth proportional to 462,419.56, 691,885.20 and 272,982.98 is: 408,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,419.56 : 691,885.20 = 272,982.98 : x
  2. Step 2: Convert to fraction form
    462,419.56/691,885.20 = 272,982.98/x
  3. Step 3: Cross multiply
    462,419.56x = 691,885.20 × 272,982.98
  4. Step 4: Simplify right side
    462,419.56x = 188,872,882,348.98
  5. Step 5: Solve for x
    x = 188,872,882,348.98/462,419.56
  6. Step 6: Final answer
    x = 408,444.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.